JPWO2013011924A1 - Led照明装置 - Google Patents
Led照明装置 Download PDFInfo
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- JPWO2013011924A1 JPWO2013011924A1 JP2013524696A JP2013524696A JPWO2013011924A1 JP WO2013011924 A1 JPWO2013011924 A1 JP WO2013011924A1 JP 2013524696 A JP2013524696 A JP 2013524696A JP 2013524696 A JP2013524696 A JP 2013524696A JP WO2013011924 A1 JPWO2013011924 A1 JP WO2013011924A1
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- circuit
- current
- bypass
- light emitting
- voltage
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B45/00—Circuit arrangements for operating light-emitting diodes [LED]
- H05B45/30—Driver circuits
- H05B45/357—Driver circuits specially adapted for retrofit LED light sources
- H05B45/3574—Emulating the electrical or functional characteristics of incandescent lamps
- H05B45/3575—Emulating the electrical or functional characteristics of incandescent lamps by means of dummy loads or bleeder circuits, e.g. for dimmers
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B45/00—Circuit arrangements for operating light-emitting diodes [LED]
- H05B45/40—Details of LED load circuits
- H05B45/44—Details of LED load circuits with an active control inside an LED matrix
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B45/00—Circuit arrangements for operating light-emitting diodes [LED]
- H05B45/40—Details of LED load circuits
- H05B45/44—Details of LED load circuits with an active control inside an LED matrix
- H05B45/48—Details of LED load circuits with an active control inside an LED matrix having LEDs organised in strings and incorporating parallel shunting devices
Abstract
Description
Claims (7)
- 整流回路と、
前記整流回路と接続され、前記整流回路の出力電圧が閾値電圧を越えると電流が流れ始める単数又は複数のLEDを含む発光回路と、
前記発光回路を経由せずに前記整流回路へ電流を流すためのバイパス経路と、前記発光回路を流れる電流を検出する検出部を有するバイパス回路と、を有し、
前記バイパス回路は、前記検出部が検出する電流が所定値を越えた場合に、前記バイパス経路を流れる電流を遮断する、
ことを特徴とするLED照明装置。 - 前記バイパス回路は、前記バイパス経路を流れる電流と前記発光回路を流れる電流の和が一定の値となるように制御する、請求項1に記載のLED照明装置。
- 前記バイパス回路は、前記バイパス経路中に配置されたディプレッション型FETと、電流検出抵抗とを含み、前記ディプレッション型FETは、前記発光回路を流れる電流を前記電流検出抵抗により検出して、前記バイパス経路の開閉制御を行う、請求項1又は2に記載のLED照明装置。
- 前記バイパス回路は、前記バイパス経路中に配置されたエンハンスメント型FET及び電流検出抵抗と、前記エンハンスメント型FETの制御用のバイポーラトランジスタと、プルアップ抵抗とを含み、前記バイポーラトランジスタは、前記発光回路を流れる電流を前記電流検出抵抗により検出して、前記エンハンスメント型FETを用いて前記バイパス経路の開閉制御を行う、請求項1又は2に記載のLED照明装置。
- 前記発光回路に接続された第2のバイパス回路と、
前記第2のバイパス回路に接続され、前記整流回路の出力電圧が閾値電圧を越えると電流が流れ始める単数又は複数のLEDを含む第2の発光回路と、
前記第2の発光回路に流れる電流を制限する電流制限回路と、
を更に有する、請求項1〜4の何れか一項に記載のLED照明装置。 - 前記バイパス回路と並列に前記整流回路に接続され、抵抗及びコンデンサを直列接続したフィルタ回路を更に有する、請求項1〜5の何れか一項に記載のLED照明装置。
- 前記フィルタ回路は、前記バイパス回路より、前記発光回路側に配置されている、請求項6に記載のLED照明装置。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2011156303 | 2011-07-15 | ||
JP2011156303 | 2011-07-15 | ||
PCT/JP2012/067857 WO2013011924A1 (ja) | 2011-07-15 | 2012-07-12 | Led照明装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPWO2013011924A1 true JPWO2013011924A1 (ja) | 2015-02-23 |
JP5955320B2 JP5955320B2 (ja) | 2016-07-20 |
Family
ID=47558102
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2013524696A Active JP5955320B2 (ja) | 2011-07-15 | 2012-07-12 | Led照明装置 |
Country Status (5)
Country | Link |
---|---|
US (1) | US9485830B2 (ja) |
EP (1) | EP2734014B1 (ja) |
JP (1) | JP5955320B2 (ja) |
CN (1) | CN103650644B (ja) |
WO (1) | WO2013011924A1 (ja) |
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US9433046B2 (en) * | 2011-01-21 | 2016-08-30 | Once Innovations, Inc. | Driving circuitry for LED lighting with reduced total harmonic distortion |
US9482397B2 (en) | 2010-03-17 | 2016-11-01 | Once Innovations, Inc. | Light sources adapted to spectral sensitivity of diurnal avians and humans |
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JP5739834B2 (ja) * | 2012-04-26 | 2015-06-24 | アイエムエル インターナショナルIML International | Led照明装置及び二端子電流コントローラ |
US9030115B2 (en) * | 2012-06-22 | 2015-05-12 | Abl Ip Holding Llc | LED driver with diac-based switch control and dimmable LED driver |
US9255674B2 (en) | 2012-10-04 | 2016-02-09 | Once Innovations, Inc. | Method of manufacturing a light emitting diode lighting assembly |
WO2014126258A1 (ja) * | 2013-02-18 | 2014-08-21 | シチズンホールディングス株式会社 | Led駆動回路 |
CN109600884B (zh) | 2013-08-02 | 2021-02-12 | 昕诺飞北美公司 | 对家畜进行照明的系统和方法 |
KR102168326B1 (ko) * | 2013-10-04 | 2020-10-23 | 서울반도체 주식회사 | 조광이 가능한 교류구동 발광소자 조명장치 및 이의 발광소자 구동회로 |
US9949325B2 (en) | 2013-12-05 | 2018-04-17 | Philips Lighting Holding B.V. | Bleeder for improving dimming of LED |
US10206378B2 (en) | 2014-01-07 | 2019-02-19 | Once Innovations, Inc. | System and method of enhancing swine reproduction |
US9247603B2 (en) | 2014-02-11 | 2016-01-26 | Once Innovations, Inc. | Shunt regulator for spectral shift controlled light source |
EP3461235B1 (en) * | 2014-03-17 | 2020-01-08 | Citizen Watch Co., Ltd. | Led illumination device |
US9572212B2 (en) * | 2014-05-21 | 2017-02-14 | Lumens Co., Ltd. | LED lighting device using AC power supply |
US9510415B1 (en) * | 2015-11-30 | 2016-11-29 | Analog Integrations Corporation | AC LED lighting systems and control methods without flickering |
US9661696B1 (en) * | 2015-11-30 | 2017-05-23 | Analog Integrations Corporation | AC LED lighting systems and control methods efficiently providing operating voltage |
JP6692062B2 (ja) * | 2016-02-16 | 2020-05-13 | パナソニックIpマネジメント株式会社 | 点灯装置及び照明器具 |
EP3437437B1 (en) | 2016-03-29 | 2023-07-26 | Signify North America Corporation | System and method of illuminating livestock |
JP6789654B2 (ja) * | 2016-04-04 | 2020-11-25 | 東芝キヤリア株式会社 | 電源装置 |
US10912169B2 (en) * | 2016-07-25 | 2021-02-02 | Silicon Works Co., Ltd. | LED lighting apparatus |
CN106211517B (zh) * | 2016-08-24 | 2019-08-16 | 深圳市中电照明股份有限公司 | 调光多用电子变压器电路 |
US10314125B2 (en) * | 2016-09-30 | 2019-06-04 | Once Innovations, Inc. | Dimmable analog AC circuit |
CN106782345B (zh) * | 2016-12-27 | 2023-05-05 | 深圳市璀璨星实业有限公司 | 一种手机屏幕亮度控制装置 |
CN107872913B (zh) * | 2017-12-13 | 2023-08-29 | 刘向宁 | 发光二极管调压驱动电路 |
US10178714B1 (en) * | 2018-02-12 | 2019-01-08 | Dong Guan Bright Yinhuey Lighting Co., Ltd. China | Illuminating circuit with a flickfree automatic detection and shutdown function |
RU183083U1 (ru) * | 2018-05-15 | 2018-09-10 | Владимир Филиппович Ермаков | Светодиодный выпрямительный мост Ермакова |
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2012
- 2012-07-12 EP EP12815542.1A patent/EP2734014B1/en active Active
- 2012-07-12 US US14/232,778 patent/US9485830B2/en active Active
- 2012-07-12 JP JP2013524696A patent/JP5955320B2/ja active Active
- 2012-07-12 CN CN201280035009.5A patent/CN103650644B/zh active Active
- 2012-07-12 WO PCT/JP2012/067857 patent/WO2013011924A1/ja active Application Filing
Patent Citations (2)
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JP2011065922A (ja) * | 2009-09-18 | 2011-03-31 | Toshiba Lighting & Technology Corp | Led点灯装置および照明装置 |
JP3167927U (ja) * | 2010-11-12 | 2011-05-26 | 趨勢照明股▲ふん▼有限公司 | 定電流ledランプ |
Also Published As
Publication number | Publication date |
---|---|
EP2734014B1 (en) | 2017-08-30 |
WO2013011924A1 (ja) | 2013-01-24 |
CN103650644A (zh) | 2014-03-19 |
EP2734014A4 (en) | 2015-09-30 |
US20140197741A1 (en) | 2014-07-17 |
JP5955320B2 (ja) | 2016-07-20 |
CN103650644B (zh) | 2015-11-25 |
EP2734014A1 (en) | 2014-05-21 |
US9485830B2 (en) | 2016-11-01 |
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